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<a href="#pub-methods">Public Member Functions</a> &#124;
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<p>Access exFat partitions on raw file devices.  
 <a href="class_ex_fat_partition.html#details">More...</a></p>

<p><code>#include &lt;ExFatPartition.h&gt;</code></p>
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Inheritance diagram for ExFatPartition:</div>
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<area shape="rect" href="class_sd_base.html" title=" " alt="" coords="5,155,176,181"/>
<area shape="rect" href="class_sd_ex_fat.html" title="SD file system class for exFAT volumes." alt="" coords="54,229,127,256"/>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:ac2b5adafda0a9b52ffedf964e355da31"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_ex_fat_partition.html#ac2b5adafda0a9b52ffedf964e355da31">bytesPerCluster</a> () const</td></tr>
<tr class="separator:ac2b5adafda0a9b52ffedf964e355da31"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aedaebff39e7cbae66f226e9c7593b5b6"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_ex_fat_partition.html#aedaebff39e7cbae66f226e9c7593b5b6">bytesPerClusterShift</a> () const</td></tr>
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<tr class="memitem:a3859310dde1f70daaca0ebcf274cb558"><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_ex_fat_partition.html#a3859310dde1f70daaca0ebcf274cb558">bytesPerSector</a> () const</td></tr>
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<tr class="memitem:a226e452b6ae5c6846059e4acd21be1f1"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_ex_fat_partition.html#a226e452b6ae5c6846059e4acd21be1f1">bytesPerSectorShift</a> () const</td></tr>
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<tr class="memitem:a63fac808e421ed5c8e72a37616ac56ac"><td class="memItemLeft" align="right" valign="top">uint8_t *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_ex_fat_partition.html#a63fac808e421ed5c8e72a37616ac56ac">cacheClear</a> ()</td></tr>
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<tr class="memitem:a17b72f8a437c5663a04473606fd36d58"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_ex_fat_partition.html#a17b72f8a437c5663a04473606fd36d58">clusterCount</a> () const</td></tr>
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<tr class="memitem:a2f75613844b26a2a574a0ee31005b1a0"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_ex_fat_partition.html#a2f75613844b26a2a574a0ee31005b1a0">clusterHeapStartSector</a> () const</td></tr>
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<tr class="memitem:a12e390567f2217f804af9b1ea397780c"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_ex_fat_partition.html#a12e390567f2217f804af9b1ea397780c">fatLength</a> () const</td></tr>
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<tr class="memitem:ab63f9a3aacc0aeccae138a77cccbbb5b"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_ex_fat_partition.html#ab63f9a3aacc0aeccae138a77cccbbb5b">fatStartSector</a> () const</td></tr>
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<tr class="memitem:a3e63d87b4ef985f92c1793d269274f44"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_ex_fat_partition.html#a3e63d87b4ef985f92c1793d269274f44">fatType</a> () const</td></tr>
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<tr class="memitem:ae6d4414d6440b79b6314cd1edbaa35b0"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_ex_fat_partition.html#ae6d4414d6440b79b6314cd1edbaa35b0">freeClusterCount</a> ()</td></tr>
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<tr class="memitem:adb1d277492dccba09031e2064f4fa66f"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_ex_fat_partition.html#adb1d277492dccba09031e2064f4fa66f">init</a> (<a class="el" href="class_sd_spi_card.html">BlockDevice</a> *dev, uint8_t part)</td></tr>
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<tr class="memitem:ac7ddc5d4efd1651816f1284980b6f790"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_ex_fat_partition.html#ac7ddc5d4efd1651816f1284980b6f790">rootDirectoryCluster</a> () const</td></tr>
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<tr class="memitem:a9412bd687edc99266c88f8aa87f01c51"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_ex_fat_partition.html#a9412bd687edc99266c88f8aa87f01c51">rootLength</a> ()</td></tr>
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<tr class="memitem:a12798377b4d3cb16891607c543d0bded"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_ex_fat_partition.html#a12798377b4d3cb16891607c543d0bded">sectorsPerCluster</a> () const</td></tr>
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<tr class="memitem:aa4ff8402ba78a2de52ed61175a044ee3"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_ex_fat_partition.html#aa4ff8402ba78a2de52ed61175a044ee3">sectorsPerClusterShift</a> () const</td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="friends"></a>
Friends</h2></td></tr>
<tr class="memitem:a0ea68fb710b4ca007419acbf84ca6908"><td class="memItemLeft" align="right" valign="top">class&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_ex_fat_partition.html#a0ea68fb710b4ca007419acbf84ca6908">ExFatFile</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Access exFat partitions on raw file devices. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="ac2b5adafda0a9b52ffedf964e355da31"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac2b5adafda0a9b52ffedf964e355da31">&#9670;&nbsp;</a></span>bytesPerCluster()</h2>

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          <td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>the number of bytes in a cluster. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#aedaebff39e7cbae66f226e9c7593b5b6">&#9670;&nbsp;</a></span>bytesPerClusterShift()</h2>

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<dl class="section return"><dt>Returns</dt><dd>the power of two for bytesPerCluster. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a3859310dde1f70daaca0ebcf274cb558">&#9670;&nbsp;</a></span>bytesPerSector()</h2>

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          <td class="memname">uint16_t ExFatPartition::bytesPerSector </td>
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          <td class="paramname"></td><td>)</td>
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<dl class="section return"><dt>Returns</dt><dd>the number of bytes in a sector. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a226e452b6ae5c6846059e4acd21be1f1">&#9670;&nbsp;</a></span>bytesPerSectorShift()</h2>

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<dl class="section return"><dt>Returns</dt><dd>the power of two for bytesPerSector. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a63fac808e421ed5c8e72a37616ac56ac">&#9670;&nbsp;</a></span>cacheClear()</h2>

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<p>Clear the cache and returns a pointer to the cache. Not for normal apps. </p><dl class="section return"><dt>Returns</dt><dd>A pointer to the cache buffer or zero if an error occurs. </dd></dl>

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<a id="a17b72f8a437c5663a04473606fd36d58"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a17b72f8a437c5663a04473606fd36d58">&#9670;&nbsp;</a></span>clusterCount()</h2>

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          <td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>the cluster count for the partition. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a2f75613844b26a2a574a0ee31005b1a0">&#9670;&nbsp;</a></span>clusterHeapStartSector()</h2>

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<dl class="section return"><dt>Returns</dt><dd>the cluster heap start sector. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a12e390567f2217f804af9b1ea397780c">&#9670;&nbsp;</a></span>fatLength()</h2>

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<dl class="section return"><dt>Returns</dt><dd>the FAT length in sectors </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ab63f9a3aacc0aeccae138a77cccbbb5b">&#9670;&nbsp;</a></span>fatStartSector()</h2>

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<dl class="section return"><dt>Returns</dt><dd>the FAT start sector number. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a3e63d87b4ef985f92c1793d269274f44">&#9670;&nbsp;</a></span>fatType()</h2>

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<dl class="section return"><dt>Returns</dt><dd>Type FAT_TYPE_EXFAT for exFAT partition or zero for error. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ae6d4414d6440b79b6314cd1edbaa35b0">&#9670;&nbsp;</a></span>freeClusterCount()</h2>

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<dl class="section return"><dt>Returns</dt><dd>the free cluster count. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#adb1d277492dccba09031e2064f4fa66f">&#9670;&nbsp;</a></span>init()</h2>

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          <td class="paramname"><em>dev</em>, </td>
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          <td class="paramtype">uint8_t&#160;</td>
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<p>Initialize a exFAT partition. </p><dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramdir">[in]</td><td class="paramname">dev</td><td>The blockDevice for the partition. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">part</td><td>The partition to be used. Legal values for <em>part</em> are 1-4 to use the corresponding partition on a device formatted with a MBR, Master Boot Record, or zero if the device is formatted as a super floppy with the FAT boot sector in sector zero.</td></tr>
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<dl class="section return"><dt>Returns</dt><dd>true for success or false for failure. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ac7ddc5d4efd1651816f1284980b6f790">&#9670;&nbsp;</a></span>rootDirectoryCluster()</h2>

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<dl class="section return"><dt>Returns</dt><dd>the root directory start cluster number. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a9412bd687edc99266c88f8aa87f01c51">&#9670;&nbsp;</a></span>rootLength()</h2>

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<dl class="section return"><dt>Returns</dt><dd>the root directory length. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a12798377b4d3cb16891607c543d0bded">&#9670;&nbsp;</a></span>sectorsPerCluster()</h2>

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<dl class="section return"><dt>Returns</dt><dd>the number of sectors in a cluster. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#aa4ff8402ba78a2de52ed61175a044ee3">&#9670;&nbsp;</a></span>sectorsPerClusterShift()</h2>

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<dl class="section return"><dt>Returns</dt><dd>the power of two for sectors per cluster. </dd></dl>

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<h2 class="groupheader">Friends And Related Function Documentation</h2>
<a id="a0ea68fb710b4ca007419acbf84ca6908"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a0ea68fb710b4ca007419acbf84ca6908">&#9670;&nbsp;</a></span>ExFatFile</h2>

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          <td class="memname">friend class <a class="el" href="class_ex_fat_file.html">ExFatFile</a></td>
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<p><a class="el" href="class_ex_fat_file.html" title="Basic file class.">ExFatFile</a> allowed access to private members. </p>

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<hr/>The documentation for this class was generated from the following files:<ul>
<li>Arduino/libraries/SdFat/src/ExFatLib/<a class="el" href="_ex_fat_partition_8h.html">ExFatPartition.h</a></li>
<li>Arduino/libraries/SdFat/src/ExFatLib/ExFatPartition.cpp</li>
</ul>
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